PDP Energizer Xbox One Controller Charger with Rechargeable Battery Pack for Two Wireless Controllers Charging Station  Black (Package may Vary) Charge 2 Xbox One wireless controllers simultaneously and twice as fast Charging station comes with an AC adapter and 2 Energizer Rechargeable Battery Packs for up to 35 hours of playtime Replace controller batteries with Energizer ones and then simply dock controllers in charging station- green light indicates when they are completely charged Charging station works with both Standard and Xbox Elite controllers Officially licensed by Energizer and Microsoft for Xbox One;Battery no battery used Package May Vary